Beginner
≈ 2 h 45 minSuggested range1 h 30 min – 4 h 15 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Creator · SET 31049
Twin Spin Helicopter
A twin-rotor helicopter with a small tracked vehicle.
- Pieces
- 326
- Release year
- 2016
- Theme
- Creator
- Set number
- 31049
- LEGO recommended age
- 8+
- Archived regional retail price · Germany
- 29.99 €
Archived regional retail price in the stated market and currency. It does not establish the Italian launch price; no estimated currency conversion. Brickset ↗ · Reference checked on 22 October 2026
Official English name verified at: LEGO English archive ↗ · Checked on 26 October 2026.
TIME TO BUILD
How long does it take to build Twin Spin Helicopter?
For younger children, we estimate the first illustrated setup, with adult guidance when needed. Ranges reflect building familiarity, not a child’s age or ability. Free play and learning have no completion time.
Editorial estimate · first setup
Intermediate
≈ 1 h 45 minSuggested range1 h – 3 hExperienced
≈ 1 h 15 minSuggested range30 min – 2 hFirst guided arrangement: one model for 3 in 1 sets, a small composition for creative boxes, and setup alone for expansions. Excludes play, breaks and electronic configuration. These are broad editorial estimates, not measured times or targets to meet.
How we estimate times · sources and method
Editorial assessment: A twin-rotor helicopter with a small tracked vehicle. The white and blue cab contrasts with the small red load. Creative boxes and modular decorations refer to one first illustrated arrangement; 3 in 1 sets to the main model only, and expansions to their first setup. An adult may guide the child. Ranges reflect building familiarity, not age or development; they do not measure play, learning or a speed contest. For older sets, unnumbered bags or previously mixed pieces may prolong sorting. No verified timed build: indicative values with substantial variation.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO · set-specific instructions ↗
Official name, pieces, age and imagery; no timed building data.
- LEGO · set manual ↗
Document for this set number. The duration is an editorial estimate, not a LEGO timing.
Checked: 26 October 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
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Build your own story.
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How much display space does it need?
Assembled-model dimensions are not yet documented for this set. Box dimensions cannot tell you how much display space it needs.
BEYOND THE BRICKS
Did you know?
Inside the set
Two large rotors
The rotors occupy both ends of the elongated fuselage.
LEGO sourceBlue and white
The white and blue cab contrasts with the small red load.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Wings that move around the aircraft
Rotor blades are wings moving through the air as they turn. Their rotation generates lift even without the forward motion needed by a conventional aeroplane.
Read the full story
That difference explains much of the helicopter’s shape and operating flexibility: the rotor is central to how the aircraft stays airborne, rather than simply an oversized propeller.
Why hovering matters
Helicopters can hover, move sideways or backwards and land without a conventional runway.
Read the full story
Those abilities support mountain and sea rescues and hospital access. NASA also lists firefighting and lifting heavy objects. Different missions exploit the same advantage: reaching and remaining at places where a conventional aeroplane could not stop.
Expanded stories updated on 29 October 2026
Written by HowLongToBuild · Sources are linked with each story · Checked on 26 October 2026. Historical facts and story details refer to the context described.
THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
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Building tips from the community
Specific steps, useful checks and sticking points. Contributions appear after moderation, in their original language. Do not upload instruction pages or personal contact details.
No approved tips yet.
Sign in to contributeSET THE MOOD
A soundtrack for your build
· Selected for the subject and atmosphere
The Wind Rises accompanies flight and landscape. It gives a vehicle build a sense of space without conflating a real aircraft with the film’s subject.
OUR PICK
The Wind Rises (Original Soundtrack)
Joe Hisaishi
Narrative and cinematicEditorial suggestions, not official soundtracks for the set. External services may require an account or subscription; editions and availability can vary by country. Suggest another soundtrack →
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YOUR NEXT BUILD
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Sets from the same theme or with similar suggested building times. The ranges shown are for intermediate builders.
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗